CN206574558U - A kind of arrester - Google Patents

Abstract

The utility model discloses a kind of arrester, comprising：Fingertip, force bearing ring, inner cone body and protection shell; the fingertip is supported with force bearing ring; the force bearing ring is connected with inner cone body; the inner cone body and protection shell overlap joint; characterized in that, the protection shell includes and is provided with attachment structure on flange and cylinder, the flange; the cylinder has been radially arranged projection, the flange and the cylinder clamping.The utility model by protection of arrester shell by splitting into two separate parts so that saves substantial amounts of material when protection of arrester shell is produced, improves the utilization rate of material, while also causing the production cost of arrester to substantially reduce.

Description

A kind of arrester

Technical field

The present invention relates to power domain, more particularly to a kind of arrester.

Background technology

Arrester is also referred to as overvoltage protection device, high transient overvoltage harm during for protecting electric equipment from thunderbolt, And time of afterflow is limited, also often limit a kind of electrical equipment of afterflow assignment.Fingertip is generally included currently used for the arrester of gas-filling cabinet, Inner cone body and protection shell, by protecting shell come the internal structure of further protection arrester, prevent accidental damage, enter And the security of equipment is improved, reliability.With the reduction year by year of mineral resources, the scarcity of resource has increasing need for people and carried The high utilization rate to resource.The protection shell of arrester includes flange and cylinder, and flange is larger relative to cylinder, and traditional keeps away Thunder device is, by bar or the integrated turnery processing of thick-wall tube, a large amount of wastes of material to be caused, while adding arrester Cost.

Utility model content

The technical problems to be solved in the utility model is：A kind of arrester of high performance-price ratio is provided.

The utility model is to solve a kind of technical scheme for providing of its technical problem：

A kind of arrester, comprising：Fingertip, force bearing ring, inner cone body and protection shell, the fingertip are supported with force bearing ring, The force bearing ring is connected with inner cone body, the inner cone body and protection shell overlap joint, it is characterised in that the protection shell bag Containing flange and cylinder, attachment structure is provided with the flange, the cylinder has been radially arranged projection, the flange and the circle Cylinder clamping.

As the improvement of such scheme, the attachment structure on the flange is through hole.

Set as the improvement of such scheme, on the flange and be additionally provided with shoulder hole, on the shoulder hole and the cylinder Raised clamping.

As the improvement of such scheme, the fingertip is radially arranged fluted, and spring is provided with the groove.

As the further improvement of such scheme, the fingertip is radial and axial to be both provided with screwed hole.

As the improvement of such scheme, the inner cone body is hollow cylinder, and the inner cone body lower part has boss, on Portion is provided with ream flat mouth.

As the improvement of such scheme, the force bearing ring is round pie, and the axial position of the force bearing ring is provided with shoulder hole.

As the further improvement of such scheme, the cylinder is nylon material.

As the improvement of such scheme, the arrester also includes on main pin, the main pin and is connected with ground wire.

The beneficial effects of the utility model are：By the way that protection of arrester shell is split into two separate parts, So that saving substantial amounts of material when protection of arrester shell is produced, production cost is greatly reduced, is improved simultaneously The efficiency of production and processing.

Brief description of the drawings

, below will be to needed for embodiment description for the technical scheme in clearer explanation the utility model embodiment The accompanying drawing to be used is briefly described.

Fig. 1 is the sectional view of the one of embodiment of the utility model；

Fig. 2 is the disassembly diagram of the embodiment；

Fig. 3 is the enlarged drawing at A in Fig. 2.

Embodiment

The technique effect of design of the present utility model, concrete structure and generation is carried out with accompanying drawing with reference to embodiments clear Chu, it is fully described by, to fully understand the purpose of this utility model, scheme and effect.It should be noted that in the feelings not conflicted The feature in embodiment and embodiment under condition in the application can be mutually combined.In addition used in the utility model it is upper, Under, the description such as left and right be only in relative figure for each part mutual alignment relation of the utility model.

Fig. 1 is the sectional view of the one of embodiment of the utility model, and reference picture 1, arrester includes fingertip 000, load Ring 100, inner cone body 200, main pin 300 and protection shell 400；The fingertip 000 is connected with the main tightening of pin 300, described The main main pin 300 of pin is connected with the interference of inner cone body 200, and the inner cone body 200 is supported with the protection shell 400, institute Stating main pin 300 includes rubber sleeve, and is coated on interior insulating cylinder by the rubber sleeve, is injected after the rubber sleeve use Insulating process is produced, and has more preferable insulating properties and coating performance, main 300, the pin compared to conventionally produced rubber Inside protection shell 400, the protection shell 400 can be bolted with GIS cabinet 2# inner cone sockets.

Fig. 2 is the disassembly diagram of the embodiment, and reference picture 2, the lower surface of force bearing ring 100 is fitted with inner cone body 200, on Surface is supported with the fingertip 000, and the main pin 300 is to be connected with ground wire on the cylinder of three-stage, the main pin 300 310, cylindrical main pin 300 is provided with fillet at column diameter change, and the fillet is connected with inner cone body 200 and fingertip 000 During play transitional function, it is convenient connection is installed to ensure to keep coaxial and good contact between connection member simultaneously；It is described to connect Ground wire 310 is threadedly attached on main pin 310.

Shell 400 is protected to include fastening connection piece 410 and protective cover 420, the fastening connection piece 410 includes cylinder 411, Flange 412, the cylinder 411 has been radially arranged projection, and the cylinder 411 is nylon material, and 411 pairs of the cylinder of nylon material is kept away The protection of thunder device, with good insulating properties and impact resistance；Attachment structure, the attachment structure are provided with the flange For through hole, operator is facilitated to be attached using the connectors such as bolt and the service of connection devices, versatility is high；On the flange 412 also Provided with shoulder hole, the shoulder hole and the raised clamping on cylinder 411, simple in construction, convenient disassembly, compared to traditional flange It is integrally machined with cylinder, greatly reduces and process raw material, reduces production cost；There are many places recessed on the outer wall of cylinder 411 Groove, when installing heat-shrink tube or other overcoats outside cylinder 411, effectively can prevent overcoat from sliding；On the protective cover 420 also Elongated hole 421 is provided with, the elongated hole 421 is easy to by ground wire 310, while convenient install, safeguard.

Fig. 3 is the enlarged drawing at A, reference picture 3 in Fig. 2, and fingertip 000 is axially arranged the first screwed hole 010, the fingertip The second screwed hole 020 is radially arranged, first screwed hole 010 is used for the connecting portion for accommodating the main top of pin 300, and increases company Friction between socket part and main pin 300, further described second screwed hole 020 is connected by bolt and the main tightening of pin 300 Connect, strengthen the reliability connected between fingertip 000 and main pin 300, the bottom of the first screwed hole 010 is provided with taper surface 040, The taper surface 040 is connected with main pin 300, and the setting of taper surface 040 facilitates the Fast Installation of main pin 300 to position；The fingertip 000 is quickly debugged with the dismountable arrester easy to connect of the main pin 300 in installation process, quick in maintenance process Dismounting, saves maintenance time and maintenance cost；The radial direction of the fingertip 000, which is additionally provided with groove 030, the groove 030, to be connected Fingertip spring 050 is connected to, the fingertip spring 050 can be connected with the socket of electric equipment, the elasticity of fingertip spring 050 is big, With larger surplus, it can also ensure the good contact of fingertip and electric equipment interface through repeatedly plug, while can also reduce tactile The machining accuracy of finger 000, reduces production cost.

Force bearing ring 100 is round pie, and centre is provided with up-small and down-big shoulder hole, respectively the first hole 120 and the Two holes 130, the side of the force bearing ring 100 is provided with fillet 110, and the shoulder hole structure causes fingertip 000 to be fixed with main pin Support adjustment effect well is played during connection, the bottom of inner cone body 200 has boss, and top has been provided with ream flat hole 210, ream It is fillet at horizontal edge, the spot facing and the fillet 110 of the side of force bearing ring 100 are brought into close contact, so as to ensure load Ring 100 and ream flat hole 210 on inner cone body 200 are concentric so that connection is accurately and reliably.

Claims (9)

1. a kind of arrester, comprising：Fingertip, force bearing ring, inner cone body and protection shell, the fingertip are supported with force bearing ring, institute State force bearing ring to be connected with inner cone body, the inner cone body and protection shell overlap joint, it is characterised in that the protection shell is included Attachment structure is provided with flange and cylinder, the flange, the cylinder has been radially arranged projection, the flange and the projection Clamping.

2. arrester according to claim 1, it is characterised in that：Attachment structure on the flange is through hole.

3. arrester according to claim 2, it is characterised in that：Shoulder hole, the shoulder hole are additionally provided with the flange With the raised clamping on the cylinder.

4. arrester according to claim 1, it is characterised in that：The cylinder is nylon material.

5. arrester according to claim 1, it is characterised in that：The fingertip be radially arranged it is fluted, in the groove It is provided with spring.

6. arrester according to claim 1, it is characterised in that：The fingertip is radial and axial to be both provided with screwed hole.

7. arrester according to claim 1, it is characterised in that：The inner cone body is hollow cylinder, the inner cone Body lower part has boss, and top is provided with ream flat mouth.

8. arrester according to claim 1, it is characterised in that：The force bearing ring is round pie, the force bearing ring axial direction It is provided with shoulder hole.

9. arrester according to claim 1, it is characterised in that:The arrester is also included to be connected on main pin, the main pin It is connected to ground wire.